PIC18LF2520-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC18LF2520-I/SO is an 8-bit PIC18 microcontroller from Microchip with 32 KB of Flash, 1536 bytes of RAM, and a 10-channel 10-bit ADC, running at up to 40 MHz from a 2 V minimum supply. It is packaged in a 28-pin SOIC for a broad range of embedded control and data acquisition applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF2520-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3750(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40 MHz maximum clock frequency delivering up to 10 MIPS for responsive real-time 8-bit control
- 32 KB of on-chip Flash program memory with self-write capability for field firmware updates
- 10-channel 10-bit ADC enables multi-input analog data acquisition without external converter ICs
- Low minimum supply voltage of 2 V at 4 MHz supports single-cell Li-ion and multi-cell alkaline battery designs
- 1536 bytes of RAM plus 28-pin SOIC package balances data buffer capacity and compact PCB footprint
Applications
The PIC18LF2520-I/SO is ideal for data loggers, portable medical monitors, and industrial sensor hubs that need 10 analog input channels and 32 KB of program storage in a single chip. Its low 2 V minimum operating voltage and the low-power PIC18LF family characteristics make it well-suited for battery-operated remote environmental sensors, HVAC controllers, and embedded systems requiring long field life. The 40 MHz performance also supports SPI, I2C, and UART multi-protocol communication in process control and automation designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 11Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2V MIN SUPPLY @ 4MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 25 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1536 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 40MHz |
| Supply Current-Max | 3.5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18LF2520-I/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDSO28
28 PIN, 16KB ENH FLASH, 768 RAM, 25 I/O, 12 BIT ADC, PB FREE
Frequently Asked Questions
How many analog input channels does PIC18LF2520-I/SO provide and at what resolution?
The PIC18LF2520-I/SO integrates a 10-channel 10-bit ADC, offering 1024 discrete output codes per conversion per input channel. This level of analog capability allows it to simultaneously monitor up to 10 sensors such as temperature probes, pressure transducers, or potentiometers in a multi-input data acquisition application without any external ADC chip.
What is the minimum supply voltage for PIC18LF2520-I/SO and what performance is available at that voltage?
The PIC18LF2520-I/SO operates at a minimum supply of 2 V, running at up to 4 MHz at that voltage. At full 5 V supply it reaches the maximum 40 MHz clock frequency. This wide voltage flexibility enables designs powered by a single Li-ion cell in deep discharge, extending usable battery runtime compared to standard PIC18F variants requiring a higher minimum supply.
Can PIC18LF2520-I/SO update its own Flash at runtime and how is that useful?
Yes, the PIC18LF2520-I/SO supports self-write Flash capability, allowing the firmware to reprogram sections of the 32 KB program memory while running. This is especially useful for over-the-air or serial bootloader firmware updates in field-deployed devices, eliminating the need to physically remove the device from the PCB for reprogramming and reducing maintenance costs in remote installations.
How does the 28-pin SOIC package of PIC18LF2520-I/SO compare to a DIP-28 for modern PCB design?
The 28-pin SOIC package measures approximately 17.9 mm x 7.5 mm with a 1.27 mm pin pitch, occupying significantly less PCB area than a DIP-28 at 2.54 mm pitch and through-hole mounting. The surface-mount SOIC format is compatible with automated pick-and-place assembly, enabling higher PCB density and lower manufacturing cost in production runs of embedded control boards.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3750 | $2.38 |
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